backend-development
Covers the fundamentals of backend development, including API design, database architecture, authentication, and security best practices.
Install this skill
Security score
The backend-development skill was audited on Feb 24, 2026 and we found 16 security issues across 3 threat categories. Review the findings below before installing.
Categories Tested
Security Issues
Template literal with variable interpolation in command context
| 379 | super(404, 'NOT_FOUND', `${resource} not found`) |
Template literal with variable interpolation in command context
| 429 | const user = await db.query(`SELECT * FROM users WHERE id = ${userId}`) |
Access to .env file
| 106 | - .envファイルの使い方 |
Access to .env file
| 270 | process.env.JWT_SECRET!, |
Access to .env file
| 278 | return jwt.verify(token, process.env.JWT_SECRET!) |
Access to .env file
| 446 | origin: process.env.CLIENT_URL, // 本番環境では特定のドメインのみ |
External URL reference
| 42 | - **[REST API Design](https://restfulapi.net/)** - RESTful API設計ガイド |
External URL reference
| 43 | - **[GraphQL](https://graphql.org/learn/)** - GraphQL公式ドキュメント |
External URL reference
| 44 | - **[OWASP](https://owasp.org/)** - Webセキュリティ標準 |
External URL reference
| 45 | - [OWASP Top 10](https://owasp.org/www-project-top-ten/) - 主要脆弱性 |
External URL reference
| 46 | - [OWASP Cheat Sheet Series](https://cheatsheetseries.owasp.org/) - セキュリティ対策集 |
External URL reference
| 50 | - **[Express.js](https://expressjs.com/)** - Node.js Webフレームワーク |
External URL reference
| 52 | - **[FastAPI](https://fastapi.tiangolo.com/)** - Python高速APIフレームワーク |
External URL reference
| 53 | - **[Django REST Framework](https://www.django-rest-framework.org/)** - Django API |
External URL reference
| 57 | - **[HTTP Status Codes](https://httpstatuses.com/)** - HTTPステータスコード一覧 |
External URL reference
| 58 | - **[JWT.io](https://jwt.io/)** - JWT仕様・デバッガー |
Install this skill with one command
/learn @gaku52/backend-development